Home / 146,850.12-202,685.76-83,223

Finding the Fourth Proportional to 146,850.12, 202,685.76 and 83,223

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Solution

The fourth proportional to 146,850.12, 202,685.76 and 83,223 is: 114,866.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,850.12 : 202,685.76 = 83,223 : x
  2. Step 2: Convert to fraction form
    146,850.12/202,685.76 = 83,223/x
  3. Step 3: Cross multiply
    146,850.12x = 202,685.76 × 83,223
  4. Step 4: Simplify right side
    146,850.12x = 16,868,117,004.48
  5. Step 5: Solve for x
    x = 16,868,117,004.48/146,850.12
  6. Step 6: Final answer
    x = 114,866.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.